Segment Data - Financial Information for Company's Segments (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2014
Segment Reporting Information [Line Items]
Integration and transaction costs	$ 23
CareFusion [Member]
Segment Reporting Information [Line Items]
Financing costs	44
Integration and transaction costs	23
Corporate and All Other [Member] | CareFusion [Member]
Segment Reporting Information [Line Items]
Financing costs	44
Integration and transaction costs	23
Corporate and All Other [Member] | RTI Technologies [Member]
Segment Reporting Information [Line Items]
Increase in loss contingency accrual, relative to RTI matter	$ 12